Home / 26,628.51-39,750.78-23,142.69

Finding the Fourth Proportional to 26,628.51, 39,750.78 and 23,142.69

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Solution

The fourth proportional to 26,628.51, 39,750.78 and 23,142.69 is: 34,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.51 : 39,750.78 = 23,142.69 : x
  2. Step 2: Convert to fraction form
    26,628.51/39,750.78 = 23,142.69/x
  3. Step 3: Cross multiply
    26,628.51x = 39,750.78 × 23,142.69
  4. Step 4: Simplify right side
    26,628.51x = 919,939,978.80
  5. Step 5: Solve for x
    x = 919,939,978.80/26,628.51
  6. Step 6: Final answer
    x = 34,547.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.